Accessory Valves
Pilot Operated Check Valve
4X .28
K
INLET PORT G
COUNTERBORE TYPE 70-3317-70 & 70-3317-72
L M
A
D E
C
F
.28
L M
2.47
MANUAL OPERATED CHECK VALVE RELEASE
2.75
3.62
MANUAL OPERATED CHECK VALVE PN:70-3311-14 & 70-3317-72
OUTLET PORT G
B
J
.07 MANUAL RELEASE PLUNGER STROKE
.868
2.75
2.30
3.72
THESE MANUAL OPERATED CHECK VALVE TAKE 3.5 LBS OF FORCE PER 100 PSI TO RELEASE
1.39
.49
Pilot Operated Check Valve n Cartridge and Manifold Mount versions. n Sealed pilot piston eliminates cross circuit leakage. n 5:1 Ratio of Pilot to Check pressure for release. n Flows up to 1.5 gal/min at 5,000 psi maximum pressure.
SAE 2 PILOT PORT
OPTIONAL MANIFOLD PILOT PORT H
MANIFOLD OUTLET PORT H
MANIFOLD INLET PORT H
ILS703305 REV C
Assembly Dimensions Model No.
Mounting Style A B C D E F G H J
K L M
70-3311-13
Manifold/SAE
2.00 1.63 1.00 1.66 1.56 0.34 SAE 6 SAE 2 Plug 1.06 1.13 0.28 0.44
L-4
70-3311-14 Manifold/SAE, Manual 70-3317-70 Manifold Only 70-3317-72 Manifold Only, Manual
1.75 1.50 0.88 1.53 1.44 0.22 N/A N/A 0.94 N/A 0.28 0.44
M-4
For proper sealing, mating surface must be flat to 0.003 in. with a maximum 63 µ in. R a surface finish.
MOUNTING DIMENSION FOR PILOT CHECK VALVE P/N 70-3311-13 AND 70-3317-70
2.186
1.981
1.075
0.169
.130 .090 3 PLACES FOR MANIFOLD PORTING
0.657
0.562
1.313
4X 1/4" MOUNTING HOLES THREAD .380 MINIMUM THREAD DEPTH
PILOT PORT
INLET PORT
OUTLET PORT
ILS703307 REV D
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